[Gluster-users] VM disks corruption on 3.7.11

Kevin Lemonnier lemonnierk at ulrar.net
Thu May 19 13:58:52 UTC 2016


That's a different problem then, I have corruption without removing or adding bricks,
as mentionned. Might be two separate issue


On Thu, May 19, 2016 at 11:25:34PM +1000, Lindsay Mathieson wrote:
>    On 19/05/2016 12:17 AM, Lindsay Mathieson wrote:
> 
>      One thought - since the VM's are active while the brick is
>      removed/re-added, could it be the shards that are written while the
>      brick is added that are the reverse healing shards?
> 
>    I tested by:
> 
>    - removing brick 3
> 
>    - erasing brick 3
> 
>    - closing down all VM's
> 
>    - adding new brick 3
> 
>    - waiting until heal number reached its max and started decreasing
> 
>      There were no reverse heals
> 
>    - Started the VM's backup. No real issues there though one showed IO
>    errors, presumably due to shards being locked as they were healed.
> 
>    - VM's started ok, no reverse heals were noted and eventually Brick 3 was
>    fully healed. The VM's do not appear to be corrupted.
> 
>    So it would appear the problem is adding a brick while the volume is being
>    written to.
> 
>    Cheers,
> 
>  --
>  Lindsay Mathieson

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-- 
Kevin Lemonnier
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